Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tang luan » dung luan
bang cong » dang cong, bang song, hang cong
cong manh » cong danh, duong manh, cong thanh
tang cua » mang cua, hang cua, thong cua
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((tang cua) or (tang luan)) bang cong manh ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((tang cua) OR (tang luan)) bang cong manh ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang cua) or (tang luan)) bang cong manh ((toan tai) or (toan cao))*.